(1997). Speaking. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoSpeaking. Oxford: Oxford University Press, 1997.
MLA CitationSpeaking. Oxford: Oxford University Press, 1997.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
(1997). Speaking. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoSpeaking. Oxford: Oxford University Press, 1997.
MLA CitationSpeaking. Oxford: Oxford University Press, 1997.